WELLS FARGO HOME MORTGAGE: 512-814-5814; 7101 TX-71, Oak Hill, TX 78735. wfhm.com. Mortgage lender NON-PROFIT & PUBLIC SERVICE ORGANIZATIONSBARTON CREEK HABITAT PRESERVE: 8500 TX-71, Austin/Oak Hill, TX 78735. nature.org. Nature Preserve protects the quality of water in the Barton ...